Metro FAQs

Question 1

What kind of debugging and inspection features does Metro provide?

Accepted Answer

Metro provides a rich set of debugging and inspection tools, including real-time console log collection, network request tracking, error symbolication, JavaScript evaluation, Redux state inspection, React component tree analysis, and AsyncStorage access.

Question 2

What is Metro for React Native development?

Accepted Answer

Metro is a plugin-based server designed for React Native runtime debugging, inspection, and automation. It connects directly to the Metro bundler via the Chrome DevTools Protocol (CDP), enabling extensive functionalities without requiring any app code changes for most features.

Question 3

Is Metro compatible with Expo and Hermes?

Accepted Answer

Yes, Metro offers full compatibility with Expo, bare React Native projects, and any setup using Metro with the Hermes JavaScript engine. It supports debugging and automation on both iOS simulators/devices and Android emulators/devices.

Question 4

Can Metro help with UI automation and performance profiling?

Accepted Answer

Absolutely. Metro features comprehensive UI automation controls (tap, swipe, type) for iOS and Android. It also includes advanced CPU profiling via Hermes CDP and React render tracking, alongside AI-assisted test generation for Maestro and Appium/WebdriverIO.

Metro

Metro

主要功能

使用案例

主要功能

使用案例